Patents by Inventor Tasuku ISHIGURO
Tasuku ISHIGURO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250091418Abstract: A glass run includes, as a basic framework, a bottom wall, a vehicle outer side wall, and a vehicle inner side wall. The glass run is attached to a door frame and guides an up and down movement of a door glass. A hard portion higher in hardness than a material constituting the vehicle outer side wall is formed inside from a vehicle inner surface of the vehicle outer side wall on the vehicle outer side wall.Type: ApplicationFiled: July 29, 2024Publication date: March 20, 2025Inventors: Daiki Nagai, Tasuku Ishiguro
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Publication number: 20250006896Abstract: Disclosed is a non-aqueous electrolyte secondary battery including: a negative electrode that contains a negative electrode material mixture; a separator, a positive electrode that is provided to oppose the negative electrode via the separator, and a non-aqueous electrolyte. The negative electrode material mixture contains a negative electrode active material. The negative electrode active material contains 3 mass % or more of a silicon-containing material. The silicon-containing material contains carbon composite particles. The carbon composite particles have a carbon phase and a silicon phase dispersed in the carbon phase. The non-aqueous electrolyte contains a 5- or 6-membered cyclic compound component that contains a sulfur element as a ring-constituting element.Type: ApplicationFiled: August 18, 2022Publication date: January 2, 2025Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Nanami Takeda, Yosuke Sato
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Patent number: 12148885Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a liquid electrolyte, wherein the liquid electrolyte contains a lithium salt and isopropyl acetate, and the lithium salt includes lithium bis(fluorosulfonyl)imide, and a content of isopropyl acetate in the liquid electrolyte is 1000 ppm or less with respect to a mass of the liquid electrolyte.Type: GrantFiled: January 6, 2020Date of Patent: November 19, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tasuku Ishiguro, Yasuko Nozaki, Tomohisa Okazaki
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Publication number: 20240300304Abstract: A glass run has a basic framework with a bottom wall, a vehicle outer side wall, and a vehicle inner side wall, the basic framework being attached to a door frame, and the glass run guides an up and down movement of a door glass, wherein the bottom wall has a door glass lip which protrudes from a door glass surface of the bottom wall and a door glass bulge which is interposed between the bottom wall and the door glass lip, and at least one of the door glass lip and the door glass bulge is harder than the bottom wall.Type: ApplicationFiled: February 21, 2024Publication date: September 12, 2024Inventors: Yasuhiro Shimizu, Masatoshi Nojiri, Tasuku Ishiguro
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Publication number: 20240253440Abstract: The glass run includes at least one of a vehicle outer seal lip extending from the vehicle outer side wall toward the bottom wall to slide with a vehicle outer surface of the door glass, and a vehicle inner seal lip extending from the vehicle inner side wall toward the bottom wall to slide with a vehicle inner surface of the door glass. The vehicle outer seal lip or the vehicle inner seal lip has a door glass side tip to slide with the door glass, and the door glass side tip abuts the door glass at a distance of from one-half or more of a thickness of the door glass to 8 mm or less from a tip of the door glass.Type: ApplicationFiled: January 10, 2024Publication date: August 1, 2024Inventors: Tasuku ISHIGURO, Masatoshi NOJIRI, Yasuhiro SHIMIZU
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Patent number: 11973188Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The non-aqueous electrolyte contains a lithium salt and a carboxylic acid, and the lithium salt includes lithium difluorophosphate. The content of the carboxylic acid in the non-aqueous electrolyte is 5 ppm or more and 900 ppm or less with respect to the mass of the non-aqueous electrolyte.Type: GrantFiled: October 30, 2019Date of Patent: April 30, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuko Nozaki, Tasuku Ishiguro, Tomohisa Okazaki
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Publication number: 20230395794Abstract: A non-aqueous liquid electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte, in which the positive electrode includes a positive electrode active material, and a carbon nanotube, the positive electrode active material includes a lithium-transition metal composite oxide containing Ni, a proportion of Ni in metal elements other than Li in the lithium-transition metal composite oxide is 80 atm % or more, and the non-aqueous electrolyte includes a fluorosulfonic acid salt.Type: ApplicationFiled: October 27, 2021Publication date: December 7, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Yuanlong Zhong, Chisaki Fujitomo
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Publication number: 20230344005Abstract: The non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte. The electrolyte includes an organic sulfuric acid salt represented by a formula (1): (R—O—SO3)nX1, where R is an organic group with 1 or more carbon atoms, X1 is a cation, and n is an integer of 1 to 3. The electrolyte further includes ethylene carbonate and fluoroethylene carbonate. The ethylene carbonate volume Vec and the fluoroethylene carbonate volume Vfec satisfy 0.1?Vec/Vfec?15.Type: ApplicationFiled: August 23, 2021Publication date: October 26, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Chisaki Fujitomo, Tasuku Ishiguro
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Publication number: 20230307610Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode, a separator, a negative electrode facing the positive electrode with the separator interposed therebetween, and an electrolyte; the electrolyte includes an acid anhydride; the negative electrode includes a negative electrode mixture including a negative electrode active material and a carbon nanotube; and the negative electrode active material includes a silicon-containing material and a carbon material.Type: ApplicationFiled: August 23, 2021Publication date: September 28, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Chisaki Fujitomo
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Publication number: 20230170527Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode includes a negative electrode material mixture containing a negative electrode active material capable of electrochemically absorbing and releasing lithium ions, and carbon nanotubes. The negative electrode active material includes a silicon-containing material and a carbonaceous material. The non-aqueous electrolyte includes at least one cyclic ester selected from the group consisting of a cyclic sulfate ester, a cyclic sulfite ester, and a sultone. A content of the carbon nanotubes in the negative electrode material mixture is 0.005 mass% or more and 0.05 mass% or less.Type: ApplicationFiled: March 25, 2021Publication date: June 1, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Satoshi Nishitani, Yuanlong Zhong, Chisaki Fujitomo
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Publication number: 20230035623Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the negative electrode includes a negative electrode current collector, and a negative electrode active material layer supported by the negative electrode current collector and containing a silicon material as a negative electrode active material; when dividing the negative electrode active material layer into two layers of a first region and a second region having the same thickness, the second region is closer to the negative electrode current collector than the first region; the silicon material is contained in the first region more than the second region; and the nonaqueous electrolyte includes at least one additive selected from the group consisting of a sulfite compound and a sulfate compound.Type: ApplicationFiled: December 1, 2020Publication date: February 2, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Chisaki Fujitomo, Tasuku Ishiguro, Shunsuke Nambuya
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Publication number: 20230025305Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer supported by the negative electrode current collector, when dividing the negative electrode active material layer into two layers of a first region and a second region having the same thickness, the second region is closer to the negative electrode current collector than the first region, the first region and the second region each contains graphite particles, a ratio P1/P2 of interparticle porosity P1 of the first region to interparticle porosity P2 of the second region is greater than 1, and the nonaqueous electrolyte includes at least one additive selected from the group consisting of a sulfite compound and a sulfate compound.Type: ApplicationFiled: December 1, 2020Publication date: January 26, 2023Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Chisaki Fujitomo, Tasuku Ishiguro
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Patent number: 11456460Abstract: A nonaqueous electrolyte secondary battery includes a negative electrode plate, a negative electrode current collector lead joined to the inner peripheral end of the negative electrode plate, and a negative electrode current collector-exposed part where a negative electrode active material layer is not formed at the outer peripheral-side end. The negative electrode current collector-exposed part at the outer peripheral end comes in contact with a battery case, and in a plane vertical to the axis of an electrode body, a line connecting the axis and the center of a positive electrode current collector lead does not coincide with a line connecting the axis and the center between the coating end of the outer peripheral-side negative electrode active material layer of the negative electrode plate and the terminal part of the outer peripheral-side positive electrode plate.Type: GrantFiled: February 19, 2020Date of Patent: September 27, 2022Assignees: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.Inventors: Tasuku Ishiguro, Atsushi Mizawa
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Publication number: 20220238919Abstract: A non-aqueous electrolyte secondary battery having a positive electrode, a separator, a negative electrode opposed to the positive electrode via the separator, and a liquid electrolyte wherein the liquid electrolyte includes a lithium salt, methyl acetate, and dimethyl sulfone. The content ratio of methyl acetate in the liquid electrolyte is 10% by mass to 40% by mass, and the content ratio of dimethyl sulfone in the liquid electrolyte is 0.1% by mass to 5% by mass.Type: ApplicationFiled: May 21, 2020Publication date: July 28, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Yasuko Nozaki
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Publication number: 20220158181Abstract: A negative electrode material mixture with a negative electrode active material including a Si-containing material and a carbon material; and a carbon nanotube. The Si-containing material includes, a first composite material in which Si particles are dispersed in a lithium silicate phase and/or a carbon phase, and a second composite material in which Si particles are dispersed in a SiO2 phase, at least the first composite material. A mass ratio X of the first composite material to a total of the first and second composite materials, and a mass ratio Y of the total of the first second composite materials to a total of the first composite material, the second composite material, and the carbon material satisfy a relational expression (1): 100Y?32.2X5+65.479X4?55.832X3+18.116X2?6.9275X?3.5356<0, X?1, and 0.06?Y. The non-aqueous electrolyte includes LiPF6 and LiN(SO2F)2.Type: ApplicationFiled: March 2, 2020Publication date: May 19, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yukiho Okuno, Takahiro Fukuoka, Tasuku Ishiguro, Masahiro Soga
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Publication number: 20220123367Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a liquid electrolyte, wherein the liquid electrolyte contains lithium bis(fluorosulfonyl)imide and dimethyl sulfate.Type: ApplicationFiled: December 18, 2019Publication date: April 21, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yasuko Nozaki, Tasuku Ishiguro, Tomohisa Okazaki
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Publication number: 20220115700Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a liquid electrolyte, wherein the liquid electrolyte contains a lithium salt and isopropyl acetate, and the lithium salt includes lithium bis(fluorosulfonyl)imide, and a content of isopropyl acetate in the liquid electrolyte is 1000 ppm or less with respect to a mass of the liquid electrolyte.Type: ApplicationFiled: January 6, 2020Publication date: April 14, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Yasuko Nozaki, Tomohisa Okazaki
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Publication number: 20220109186Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a liquid electrolyte, wherein the liquid electrolyte contains lithium bis(fluorosulfonyl)imide and 1,4-dioxane.Type: ApplicationFiled: December 2, 2019Publication date: April 7, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomohisa Okazaki, Tasuku Ishiguro, Yasuko Nozaki
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Publication number: 20220006120Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The non-aqueous electrolyte contains a lithium salt and a carboxylic acid, and the lithium salt includes lithium difluorophosphate. The content of the carboxylic acid in the non-aqueous electrolyte is 5 ppm or more and 900 ppm or less with respect to the mass of the non-aqueous electrolyte.Type: ApplicationFiled: October 30, 2019Publication date: January 6, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yasuko Nozaki, Tasuku Ishiguro, Tomohisa Okazaki
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Patent number: 11075312Abstract: A solar cell module includes solar cells having main surfaces to which inter-cell wiring members are connected, and an insulating member disposed on the main surfaces and the wiring members, and a first lead-out wire provided to the insulating member. The insulating member includes a first insulating layer formed of polyester resin, a second insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the lead-out wires, and a third insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the main surfaces. The third insulating layer has a thickness in a direction perpendicular to the main surfaces larger than a thickness of the second insulating layer.Type: GrantFiled: March 29, 2017Date of Patent: July 27, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Youhei Murakami, Haruhisa Hashimoto, Tasuku Ishiguro, Masahiro Iwata, Hiroyuki Kannou, Ryoji Naito, Kazuki Ohta